package com.example.springboot.demo1;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

@Configuration
public class WebMvcConfig extends WebMvcConfigurationSupport {

    /**
     * 自定义静态资源映射
     * @param registry
     */
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/**").addResourceLocations("classpath:/static/","classpath:/aaa/");
    }


    /**
     * 添加视图控制器
     * @param registry
     */
    @Override
    protected void addViewControllers(ViewControllerRegistry registry) {
       registry.addViewController("/").setViewName("index");
    }

    /**
     * 添加拦截器
     * @param registry
     */
    @Override
    protected void addInterceptors(InterceptorRegistry registry) {
        // 多个拦截器组成一个拦截器链
        // addPathPatterns 用于添加拦截规则
        // excludePathPatterns 用户排除拦截
        registry.addInterceptor(new MyInterceptor()).addPathPatterns("/**");
        /*registry.addInterceptor(new MyInterceptor2()).addPathPatterns("/**");*/
        super.addInterceptors(registry);
    }
}
